2019-11-13 20:21:07 +03:00
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.Dd August 9, 2019
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.Dt ZPOOL-REMOVE 8
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2020-08-21 21:55:47 +03:00
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.Os
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2019-11-13 20:21:07 +03:00
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.Sh NAME
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2020-10-22 21:28:10 +03:00
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.Nm zpool-remove
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2021-05-27 03:46:40 +03:00
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.Nd remove devices from ZFS storage pool
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2019-11-13 20:21:07 +03:00
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.Sh SYNOPSIS
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2020-10-22 21:28:10 +03:00
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.Nm zpool
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2019-11-13 20:21:07 +03:00
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.Cm remove
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.Op Fl npw
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2021-05-27 03:46:40 +03:00
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.Ar pool Ar device Ns …
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2020-10-22 21:28:10 +03:00
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.Nm zpool
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2019-11-13 20:21:07 +03:00
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.Cm remove
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.Fl s
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.Ar pool
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.Sh DESCRIPTION
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.Bl -tag -width Ds
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.It Xo
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2020-10-22 21:28:10 +03:00
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.Nm zpool
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2019-11-13 20:21:07 +03:00
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.Cm remove
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.Op Fl npw
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2021-05-27 03:46:40 +03:00
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.Ar pool Ar device Ns …
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.Xc
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Removes the specified device from the pool.
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This command supports removing hot spare, cache, log, and both mirrored and
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non-redundant primary top-level vdevs, including dedup and special vdevs.
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2021-08-24 00:59:18 +03:00
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.Pp
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Top-level vdevs can only be removed if the primary pool storage does not contain
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a top-level raidz vdev, all top-level vdevs have the same sector size, and the
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keys for all encrypted datasets are loaded.
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2021-05-27 03:46:40 +03:00
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.Pp
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2019-11-13 20:21:07 +03:00
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Removing a top-level vdev reduces the total amount of space in the storage pool.
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The specified device will be evacuated by copying all allocated space from it to
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the other devices in the pool.
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In this case, the
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.Nm zpool Cm remove
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command initiates the removal and returns, while the evacuation continues in
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the background.
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The removal progress can be monitored with
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.Nm zpool Cm status .
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2022-02-17 23:26:43 +03:00
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If an I/O error is encountered during the removal process it will be cancelled.
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2021-05-27 03:46:40 +03:00
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The
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2019-11-13 20:21:07 +03:00
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.Sy device_removal
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feature flag must be enabled to remove a top-level vdev, see
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2021-06-04 23:29:26 +03:00
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.Xr zpool-features 7 .
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2019-11-13 20:21:07 +03:00
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.Pp
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A mirrored top-level device (log or data) can be removed by specifying the top-level mirror for the
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same.
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Non-log devices or data devices that are part of a mirrored configuration can be removed using
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the
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.Nm zpool Cm detach
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command.
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.Bl -tag -width Ds
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.It Fl n
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2021-05-27 03:46:40 +03:00
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Do not actually perform the removal
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.Pq Qq No-op .
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2019-11-13 20:21:07 +03:00
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Instead, print the estimated amount of memory that will be used by the
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mapping table after the removal completes.
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This is nonzero only for top-level vdevs.
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.El
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.Bl -tag -width Ds
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.It Fl p
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Used in conjunction with the
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.Fl n
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flag, displays numbers as parsable (exact) values.
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.It Fl w
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Waits until the removal has completed before returning.
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.El
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.It Xo
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2020-10-22 21:28:10 +03:00
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.Nm zpool
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2019-11-13 20:21:07 +03:00
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.Cm remove
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.Fl s
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.Ar pool
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.Xc
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Stops and cancels an in-progress removal of a top-level vdev.
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.El
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.Sh SEE ALSO
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.Xr zpool-add 8 ,
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.Xr zpool-detach 8 ,
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.Xr zpool-labelclear 8 ,
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2021-05-27 03:46:40 +03:00
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.Xr zpool-offline 8 ,
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2019-11-13 20:21:07 +03:00
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.Xr zpool-replace 8 ,
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.Xr zpool-split 8
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